This standard specifies the basic requirements, technical requirements, test methods, inspection rules and signs, labels, packaging, transportation, storage and quality commitments of 2,4,5-trifluoro-3-methoxybenzoyl chloride. This standard applies to 2,4,5-trifluoro-3-methoxybenzoyl chloride produced from tetrafluorophthalic acid as the main raw material through acylation reaction, distillation and other processes. The products are mainly used in organic synthesis and pharmaceutical intermediates.